Question: What part of the stomach is the venous return connected to?
Paraphrase: What portion of the stomach is the venous return associated to?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q1029907 wdt:P2789 ?X . ?X wdt:P2289 ?answer}
Answer: hepatic portal vein, pancreaticoduodenal veins, esophageal veins